Earthquaker Spatial Delivery V3 - Envelope Filter
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Earthquaker
https://www.earthquakerdevices.com
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A "v3" evolution designed for musicians who switch sounds frequently
The Spatial Delivery v3 retains the DNA of the original Spatial Delivery: a voltage-controlled envelope filter capable of breaking away from the traditional auto-wah framework, with expressive sweeps and unpredictable filter movements in Sample & Hold mode.
The big new feature of this v3 version is the preset-ready approach: 6 slots to store your favorite settings and recall them without touching the knobs. Ideal if you need one sound for the verse, another for the chorus, then a more extreme patch for a bridge or solo.
Who it's for and in which styles the Spatial Delivery v3 makes a difference
The Spatial Delivery v3 is aimed equally at guitarists and bassists (and even those who like to process more "synth" sources) looking for a lively, musical, and highly versatile filter effect. Thanks to the Range control, it responds to your attack and dynamics: the harder you play, the more the filter "speaks."
In funk, disco, and neo-soul, you easily get a snappy, rhythmic auto-wah. In rock and indie, it becomes an animated coloration for riffs that stand out in the mix. And for electro, ambient, or experimental aesthetics, the Sample & Hold mode opens a palette of random sequences, pulses, and machine-like oscillations.
On a pedalboard, it is often placed early in the chain to best capture your dynamics (especially in envelope mode). But it also invites experimentation: placed before or after distortion, it can shift from a simple filter movement to a more aggressive, focused, and very "synth-like" sound.
Controls, presets, and expression: a pedal designed to be played
The Spatial Delivery v3 keeps ergonomics straightforward, with 3 potentiometers that behave differently depending on the mode, plus dedicated selectors for modes and memories. The Range, Filter, and Resonance controls shape your sound across the three modes: from envelope sensitivity to Sample & Hold speed, including sweep width and resonance amount.
The Filter knob is particularly powerful: rather than imposing a fixed filter, it allows you to continuously blend high-pass, band-pass, and low-pass filters. The result: you can go from a thin, nasal sound to a rounder low end, while maintaining fine control over presence and "quack."
On stage, the Live / Preset duo changes everything. In Live mode, the pedal follows the exact position of the knobs. In Preset mode, it recalls one of the 6 presets and ignores the physical knob positions, allowing for clean and reproducible changes. To go further, the expression input (6.35mm TRS Jack) is assignable to Range, Filter, or Resonance, then saveable within each preset: perfect for filter sweeps, accentuated moments, or smooth transitions.
Sound
The Spatial Delivery v3 can be very musical or downright out of the ordinary depending on your settings. In Up/Down modes, it delivers expressive sweeps with a response closely tied to your attack: play lightly for subtle movements, strike harder to trigger more pronounced and faster openings.
Resonance adds signature character: at low levels, it enhances the filter's "vocal" quality; pushed further, it thickens the sound center and flirts with a strong resonance, ideal for making a lead stand out. In Sample & Hold, the character becomes more "sequenced" and unpredictable: you get random filter steps that create a rhythmic pattern impression, from subtle glitch to robotic madness.
Technical specifications
| Effects | Envelope / Auto-wah | Type | sector |
| Technology | Analog | Use | electric guitar |
| Format | Pedal | Color | Orange |
| EQ | Filter | ||
| 3 modes | Up (sweeps filter upward), Dn (sweeps filter downward), SH (random voltage, Range controls speed) | Input impedance | 500 kOhms |
| Potentiometers | Range, Filter, Resonance | Output impedance | 100 ohms |
| Range | envelope sensitivity and reaction time (Up/Dn); speed (Sample & Hold) | Pedal | yes |
| Resonance | adds body and resonance up to oscillation threshold | Power supply | not included |
| Audio input | 6.35mm Jack | Required power | 9V DC (center negative), barrel connector 2.1 mm |
| Audio output | 6.35mm Jack | Consumption | 75 mA |
| Expression input | 6.35mm TRS Jack | Battery operation | no |
| Dimensions (with knobs) | 121 x 64 x 57 mm | ||
Questions frequently asked
Does the Spatial Delivery V3 have presets?
Six slots allow saving settings and recalling them in Preset mode. The Live mode follows the physical position of the three knobs.
What filter modes are available?
Three modes are offered: Up for ascending sweep, Dn for descending sweep, and SH for random voltage Sample & Hold. In Up and Dn modes, the Range control adjusts the sensitivity and envelope reaction time. In SH mode, it controls the speed of filter changes.
Can an expression pedal be connected to this envelope filter?
A 6.35 mm TRS jack expression input allows assigning a pedal to Range, Filter, or Resonance. This assignment can be saved in each of the 6 presets.
What power supply is required for the pedal?
The required power supply is 9 V DC with negative center, 2.1 mm barrel connector, consuming 75 mA. Battery operation is not supported and the power supply is not included.
Is the Spatial Delivery V3 suitable for bass?
Its 500 kOhm input impedance and filter settings allow use with electric guitar, bass, and synth-type sources. The Filter control continuously blends high-pass, band-pass, and low-pass.
